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Canon 24mm f/2.8 IS USM

Canon’s compact high-performance 24mm prime..

Sigma 12-24mm f/4 DG HSM Art

Fast constant-aperture ultrawide zoom..

Sigma Super Tele Varifocal 120-300mm f/2.8 DG OS HSM S

Sigma’s fast an flexible moderate super telephoto..

Schneider PC-TS Perspective Control Tilt/Shift Lenses

Tilt/Shift by Schneider for Canon and Nikon and other brands..

Nikon AF-S Nikkor 50mm f/1.8G

Nikon’s High Performance Moderately-Priced 50mm..

Canon 11-24mm f/4L USM

Extreme wide angle zoom..

Nikon AF-S 85mm f/1.4G

State of the art design in a fast 85mm lens..

Canon-Wide Angle Prime Lenses

Comparing the 16-35mm f/2.8L II to most of Canon’s wide angle prime lenses. Optical performance, ergonomics, focus, build quality..

Nikon AF 16mm f/2.8D Fisheye

Exploring the 16mm fisheye for landscape photography, and correcting fisheye distortion..

Sony Planar T* FE 50mm f/1.4 ZA

Fast high performance normal lens of Zeiss design..

Sigma FE 14mm f/1.8 DG HSM Art

Outstanding fast wide angle, DSLR optical design..

Ricoh GR

Razor sharp 28mm lens on APS-C sensor and outstanding usability and features..

Olympus Zuiko 75mm f/1.8 ED Telephoto

Beautiful bokeh, long reach fast speed, compact lens..

Fujifilm X-Pro1

Interchangeable lenses on a 16MP APS-C sensor.

Fujifilm Fujinon XF 60mm f/2.4 R

Short telephoto macro lens..

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

Zeiss Loxia 35mm f/2 Biogon

Manual focus moderate wide angle for full-frame mirrorless..

Zeiss Loxia 50mm f/2 Planar

Manual focus normal lens for full-frame mirrorless..

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

Zeiss Batis 18mm f/2.8 Distagon

Autofocus extreme wide angle for Sony full-frame mirrorless..

Sigma DP1 Merrill

28mm f/2.8 equivalent lens on APS-C sensor..

Hasselblad XCD 21mm f/4

18mm equivalent..

Hasselblad H4D 50 Megapixel Medium Format DSLR

How does Hasselblad’s 3rd generation medium format entry measure up?.

Leica S2 37.5 Megapixel Medium Format DSLR

How does Leica’s medium format entry measure up in ergonomics, image quality, etc?.

Leica S Examples

Examples and comparison from the various lenses.


Blog posts, reverse chronological

2018

2018-08-31 Hasselblad X1D + Hasselblad XCD 21mm f/4 E Examples: Rock Creek and Yosemite

2018-07-26 The Ferguson Fire near Yosemite Valley: Save your Lungs and Your Health if Traveling in California, But Applies to Much More than Smoke

2018-07-10 Attention Allergy/Asthma Sufferers: Extreme Pollen Levels in Eastern Sierra Nevada / Yosemite at 8500 Ft on up to 10,600' and Higher

2017

2017-10-22 Zeiss Milvus 25mm f/1.4 Aperture Series: Aspens and Firs, Lingering Snow (Nikon D850)

2017-10-22 Zeiss Milvus 25mm f/1.4 Aperture Series: Large Boulder, Waterfall, Last Light on Canyon Ridge (Nikon D850)

2017-10-22 Zeiss Milvus 25mm f/1.4 Aperture Series: Stunted Aspen, Last Light on Granite Bowl (Nikon D850)

2017-10-22 Zeiss Milvus 25mm f/1.4 Examples: Yosemite High Country (Nikon D850)

2017-10-16 Travel Advisory Update: Eastern Sierra, Owens Valley, Mono Lake, Mammoth Lakes Awful for Photography

2017-10-15 Travel Advisory: Smoke from Sonoma Fire in Yosemite, Eastern Sierra, Owens Valley, Mono Lake Areas

2017-08-14 East Side of Yosemite Choked with Smoke, but to the South it is Clear (Update: Fire Out)

2017-08-02 Overview of Yosemite Valley for New Visitors

2017-07-03 4th (Leica M10 at Saddlebag Lake)

2017-05-30 Sierra Snowpack, Hwy 120 Status

2016

2016-11-21 3-Way Shootout: Sigma 85mm f/1.4 DG HSM Art vs Zeiss Milvus 85/1.4 vs Nikon 85/1.4G (Snowy Spur of Mt Conness, Nikon D810)

2016-10-21 Late October Photo Tour in Yosemite or Eastern Sierra

2016-10-15 Why Lens Performance Matters for Focus Stacking

2016-10-14 Sigma 24-35mm f/2 DG HSM Art for a 160-megapixel Panorama: Oneida Lake

2016-09-23 September/October Photo Tour on Focus Stacking (or Other Things), Yosemite Area

2016-09-10 Sony 50mm f/1.4 ZA: Examples in Eastern Sierra

2016-09-02 Zeiss Batis 18mm f/2.8: Examples at Close Range

2016-08-09 August Photo Tour on Focus Stacking, Yosemite Area

2016-07-05 Panoramas with the iPhone

2016-06-28 Panoramas with the iPhone

2016-06-02 Early June 2016 Photo Tour in Yosemite High Country (or White Mountains)

2016-05-31 Early June 2016 Photo Tour in Yosemite High Country (or White Mountains)

2016-04-28 2016 Photo Tours in Yosemite High Country and/or White Mountains

2015

2015-10-31 Warm and Sunny Follows Cold Snow: Zeiss ZE 21mm f/2.8 Distagon on Canon 5DS R in Lundy Canyon

2015-10-30 Yosemite Snowstorm: the Day After

2015-10-27 Late Fall Photo Tour for one person

2015-10-06 Back from Mountains Trip

2015-09-30 Still Shooting in Mountains

2015-09-24 Heading to the Mountains

2015-09-21 Photo Tour: Fall Color

2015-09-01 Photo Tours: Fall Color, Late Fall, Custom

2015-08-16 Smoke Plume over Mt Gibbs (Walker Fire)

2015-06-26 Back From Mountains Unexpectedly Early Due to Forest Fires

2015-05-24 Opening for June 1/2/3 Photo Tour

2015-05-16 Late May / Early June and Late June Photo Tours in Yosemite High Country and/or White Mountains

2014

2014-11-03 Log Cabin Mine

2014-11-03 Yet Another OS X Yosemite Issue: Hard-Clipped Blacks in Lightroom (and Safari)

2014-10-31 Last Light

2014-10-23 Zeiss Loxia 35/2 on the Sony A7R

2014-10-20 Caution for Professionals on OS X Yosemite

2014-10-10 Zeiss ZM 35mm f/1.4 Distagon: More Field Examples

2014-10-03 Zeiss 15mm f/2.8 Distagon: Surreal Bristlecones

2014-10-01 Zeiss 15mm f/2.8 Distagon: Brilliance and 3D Feel

2014-09-30 Returning from Trip

2014-09-17 To the Mountains

2014-08-16 Wrapping up Field Shooting

2014-07-28 YAYF: Yet Another Yosemite Fire

2014-06-15 Up in the Mountains

2014-06-11 Heading to Yosemite and White Mountains: Open Slots for Photo Tours, and Gear List

2014-06-03 Tilt Shift Field Workshop June 12

2014-05-26 Tilt Shift Field Workshops

2014-04-30 Wide Aperture and Sharpness Workshop with Zeiss APO Lenses For Participants

2014-04-19 Diglloyd Photo Tours with Zeiss APO Lenses For Participants

2014-04-03 Diglloyd Photo Tours in June, August, September

2014-02-18 Brook Trout Spawning

2014-01-25 Yosemite Fire Followup

2013

2013-10-22 Brook Trout Spawning

2013-09-07 Yosemite Rim Fire: Tioga Pass Resort Closes Early (Sept 15)

2013-08-29 Back Home, Through and Past the Smoke (Yosemite Rim Fire Detour)

2013-08-18 Atop the Marmot Lookout at 12,800'

2013-08-16 Traveling (Mountains)

2013-08-04 Leica 50/2 APO-Summicron-M ASPH vs 50/0.95 Noctilux-M ASPH: Orange Bark Pine, Yosemite (Leica M240)

2013-07-30 Paragliding Over the Sierra

2013-07-26 Leica 35mm f/1.4 Summilux-M ASPH: Glacial Erratics and Focus Placement (Leica M Typ 240)

2013-07-17 Leica 50mm f/2 APO-Summicron-M ASPH: Tuolumne River Aperture Series (Leica M Typ 240)

2013-07-17 More Examples from the Sigma 120-300mm f/2.8 DG OS HSM S Varifocal Super Tele (Canon 5D Mark III)

2013-07-17 Ricoh GR: Examples at Tioga Pass Resort

2013-07-13 Zeiss 135mm f/2 APO-Sonnar: Glacial Erratics in Meadow (Nikon D800E)

2013-07-13 Zeiss 135mm f/2 APO-Sonnar: Glacial Erratics in Tuolumne River (Nikon D800E)

2013-06-30 Fujifilm XF 60mm f/2.4 on X-E1

2013-06-28 Leica 50mm f/2 APO-Summicron-M ASPH vs 50mm f/0.95 Noctilux-M ASPH

2013-06-17 Ricoh GR Digital Night Shooting

2013-06-11 Yosemite Spring Photo Tour — 1 Client

2013-05-18 Tioga Pass in Yosemite Is Open

2013-04-22 Tioga Pass in Yosemite Might Open around May 11

2012

2012-10-21 Olympus 75mm f/1.8 ED Examples (Yosemite)

2012-10-14 Sigma DP1 Merrill Examples — Yosemite, White Mountains, Various, San Francisco

2012-07-19 Zeiss 28mm f/2 Distagon Outdoor Portrait Examples

2012-07-18 Zeiss 25mm f/2 Distagon Field Curvature Study (Yosemite, Tioga)

2012-07-13 Nikon D800E + Zeiss 15mm f/2.8 Distagon Examples

2012-07-01 Back from Yosemite

2012-06-23 Off to Yosemite for some Zeiss and Nikon and Canon Work (and Cycling)

2012-06-16 Photo Tour— Yosemite High Country

2012-06-05 Photo Tours— Yosemite High Country and/or Ancient Bristlecone Pine Forest

2012-05-04 Yosemite Hwy 120 Tioga Pass Will Open Monday May 7, 2012

2012-01-10 Yosemite Hwy 120 Tioga Pass is OPEN with NO SNOW — Ice Skate in a T-Shirt! Latest since 1933

2011

2011-12-06 Fuji X100: Yosemite Controlled Burn

2011-08-02 Two September Photo Tours: Yosemite High Country and Ancient Bristlecone Pine Forest

2011-07-13 Back From Yosemite / White Mountains Trip

2011-07-05 Away to Yosemite

2011-06-29 Photo Tour to Yosemite July 5/6/7

2011-06-10 Photo Tours This Summer

2011-05-16 2011 Photo Tours To Yosemite — Update

2011-04-23 June 2011 Photo Tour to Yosemite and White Mountains

2010

2010-10-25 Leica S2 review updated

2010-10-21 Yosemite with Leica S2 and Leica M9

2010-10-15 Yosemite with Leica S and Leica M

2010-10-11 Nikon AF-S 85mm f/1.4G review updated — full apertures series at Lembert Dome in Yosemite

2010-10-05 Back from Yosemite (Hasselblad H4D, Leica M9, Nikon 85/1.4G)

2010-06-18 Yosemite gusher

2010-06-14 Back from Yosemite / White Mountains

2010-06-04 Crane Flat to Tioga Pass eg Hwy 120 open June 6 in Yosemite

2010-05-25 Yosemite and White Mountains

2010-05-21 Yosemite — plowing Highway 120 for the spring opening

2009

2009-10-06 Climbing Mt Dana in Yosemite

2009-10-05 Back from Yosemite high country — snowstorm!

2009-10-01 Off to Yosemite high country

2009-06-30 Yosemite imagery

2009-06-28 Back from Yosemite

2009-06-25 More Yosemite June 26-28

2009-06-23 Back from Yosemite tour

2009-06-20 Off to Yosemite tour

2009-06-03 Infrared in Yosemite, Stitched

2009-05-20 Photo tour — Yosemite and White Mountains

2008

2008-10-09 Visit the High Country of Yosemite in October

2007

2007-10-29 Yosemite

2007-10-16 The Real Feel of Yosemite

2007-10-15 Climbing Yosemite’s Mt Dana

2007-10-14 Back from Yosemite

2006

2006-10-31 Waxing autumn in Yosemite

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